Re: Disk buffer / memory utilization

From: Eric Anderson (anderson_at_centtech.com)
Date: 11/01/04

  • Next message: Robert Watson: "Re: Mysql high cpu usage problem"
    Date: Mon, 01 Nov 2004 08:35:43 -0600
    To: "R. Payette" <premi@altern.org>
    
    

    R. Payette wrote:
    >>
    >> I'm not sure you'll really get rid of the 14M Buffers, but you might
    >> be able to reduce them - what does:
    >> sysctl kern.maxusers
    >> report?
    >>
    >> Is this box solely for compiling? Or is it an NFS server, or web
    >> server, etc?
    >>
    >
    > used to be 32, after reading tuning, I reduced it to 16. No, if not
    > mainly for compiling, I build world, kernel and ports on it. It's main
    > usage is a nat router for our dsl connexion, and a webserver with mysql
    > for a small web site ( 10 visit / day maximum ).

    Ok, well, running mysql is going to gobble up some memory, so beware of
    that. For that little amount of visits per day, I think I'd check into
    another db system, something that is less memory hungry (Berkely DB?).

    >> From what I see, there is probably still some stuff that can be
    >> removed. Do you need eisa support? NFS? MSDOSFS? IPV6?
    >>
    >
    > I just removed eisa, msdosfs and ipv6 but I need nfs. After recompile
    > and reboot, I gained a little bit and here is the ps -auxw
    > http://massonerie.kicks-ass.org/psauxw
    >
    > also, the 12th line of dmesg says :
    > http://massonerie.kicks-ass.org/dmesg

    Your site was not coming up for me, so I can't tell.

    > ACPI disabled by blacklist. Contact your BIOS vendor.
    >
    > but kldstat says acpi.ko is loaded. Is it safe to disable it ?

    yes, you can turn off ACPI (in /boot/loader.conf) safely.

    Eric

    -- 
    ------------------------------------------------------------------
    Eric Anderson     Sr. Systems Administrator    Centaur Technology
    Talk sense to a fool and he calls you foolish.
    ------------------------------------------------------------------
    _______________________________________________
    freebsd-performance@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-performance
    To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org"
    

  • Next message: Robert Watson: "Re: Mysql high cpu usage problem"

    Relevant Pages

    • Re: Disk buffer / memory utilization
      ... Or is it an NFS server, ... mainly for compiling, I build world, kernel and ports on it. ... msdosfs and ipv6 but I need nfs. ...
      (freebsd-performance)
    • Re: Require IPsec for NFS
      ... Eric Anderson wrote: ... >>I have a server that I want to mirror. ... >>primary server to the mirror. ... The mirror is the NFS server and the ...
      (FreeBSD-Security)
    • Re: sysinstall creates corrupt filesystems after repartitioning
      ... Eric Anderson wrote: ... You may mount /usr from a small read-only ... NFS over it if you detect the one you want. ... Maybe sysinstall should warn you that you are double mounting, ...
      (freebsd-hackers)
    • Re: sysinstall creates corrupt filesystems after repartitioning
      ... Eric Anderson wrote: ... You may mount /usr from a small read-only ... NFS over it if you detect the one you want. ... Maybe sysinstall should warn you that you are double mounting, ...
      (freebsd-stable)
    • Re: rpcbind on 5.1
      ... > Trying to set up nfs services on 5.1. ... >I'm assuming this is related to ipv6, which i do not use, and even though ... as you would expect if you're not using ipv6, it was unable to setup any ... Your problems are more likely due to either a misconfigured nfs server ...
      (comp.unix.bsd.freebsd.misc)